Abstract: A method for cleaning motor vehicle surfaces with the aid of a cleaning device comprising a reservoir of cleaning liquid, at least one nozzle for spraying cleaning liquid, a fluid distribution circuit conveying cleaning liquid from the reservoir to the cleaning nozzle, and a pump injecting the cleaning liquid contained in the reservoir into the fluid distribution circuit, the fluid distribution circuit comprising a cleaning liquid distribution unit comprising a plurality of valves connected to the nozzle, the method comprising the following steps: starting the pump to inject the cleaning liquid into the distribution unit, opening a plurality of the valves connected to the nozzle depending on the desired pressure at the outlet of the nozzle, and spraying cleaning liquid from the nozzle onto a surface to be cleaned.

Abstract: A method for verifying the operation of a cleaning device mounted on a motor vehicle, comprising at least one of the following steps: commanding a pump to inject cleaning fluid as far as at least one valve during a determined time period, the command to activate the pump being coupled with the keeping of the valve or valves in the closed state; at least one measurement of a parameter relating to the pressure of the cleaning liquid upstream of the valve or valves using at least one pressure sensor; comparing the measured parameter relating to the pressure against a predetermined expected value; and determining an operating status of the cleaning device on the basis of the result of the comparison between the measured parameter relating to the pressure and the predetermined expected value; and generating a warning signal in the event that the cleaning device is malfunctioning.

Abstract: A system for cleaning a glazed surface of a motor vehicle including a liquid-spray cleaning device provided with a storage reservoir for storing cleaning liquid, an alternative cleaning device and a control module configured to selectively control the liquid-spray cleaning device and/or the alternative cleaning device. The cleaning system also includes a data acquisition unit configured to detect a qualitative or quantitative characteristic of the cleaning system, the control module being configured to control the liquid-spray cleaning device and/or the alternative cleaning device according to the qualitative or quantitative characteristic detected.

Abstract: The invention relates to a cleaning system suitable for being mounted on a motor vehicle and comprising at least one first and one second cleaning devices, each cleaning device comprising a cleaning liquid reservoir, at least one cleaning nozzle for spraying the cleaning liquid, a fluid distribution circuit arranged to convey cleaning liquid from the reservoir to the cleaning nozzle and a pump arranged to inject the cleaning liquid contained in the reservoir into the fluid distribution circuit, the cleaning system further comprising a bypass device connecting at least two cleaning devices by their respective fluid distribution circuits, comprising a backup line and a solenoid valve placed on the backup line, controlled as a function of the failure state of a pump, and arranged to supply the cleaning nozzle of one cleaning device from the reservoir of another cleaning device, each cleaning device comprising a non-return member between its reservoir and a point of connection to the bypass device.

Abstract: The present invention relates to a fluid spraying device for a system for cleaning a surface of a motor vehicle, the spraying device includes a solenoid valve configured to allow or prevent the passage of fluid towards a spraying member, the solenoid valve includes a hydraulic system and an electromagnetic system, the hydraulic system includes at least one fluid dispensing member that includes at least a fluid inlet end-fitting, a circulation chamber and a fluid outlet end-fitting in fluid communication with the spraying member, the electromagnetic system being configured to allow or prevent the passage of fluid through the circulation chamber, and the spraying member includes at least a connecting tube and a spray nozzle, the connecting tube being fastened directly to the fluid outlet end-fitting.

Abstract: The invention concerns a device (100) for cleaning the optical surface (162) of at least one optical sensor (160) for a motor vehicle. The cleaning device (100) includes a source (110) for emitting a laser beam and means for guiding the laser beam onto at least a part of the optical surface (162) of an optical sensor (160) so as to clean it.

Abstract: The invention relates to a cleaning device intended for spraying at least one fluid onto a surface to be cleaned of a motor vehicle, such as an optical sensor of an optical detection system, which comprises at least one conveyor body (8) inside of which a distribution duct (11) is arranged and which includes, at the terminal distribution portion (36) thereof, a fluid distribution element (9) in which at least one cleaning fluid spray nozzle (10) is formed, the distribution element (9) including a distribution channel (12) in fluid connection with the distribution duct (11) arranged in the conveyor body (8) and with the spray nozzle (10). According to the invention, the cleaning fluid distribution element (9) is made up of two portions (16, 17): a first portion (16) including a base (16a) of the distribution element (9) attached to the conveyor body (8) and a second portion (17) including a cover (17a) urged against the first portion (16).

Abstract: A monitoring apparatus for the identification of anomalies and degradation paths in a machine tool is disclosed. The monitoring apparatus includes a control system interfaceable with a machine tool and configured for making the machine tool execute a predetermined cycle of operations; a recording system interfaceable with a plurality of sensors in the machine tool, wherein the recording system is configured for collecting operation data of machine tool during the predetermined cycle of operations; and an analysis system configured for receiving the operation data and for executing a statistical and data mining analysis on the operation data, comparing a pattern of the operation data with a predetermined pattern, for identifying any anomalies and degradation paths.

Abstract: A cleaning device (100), intended to spray at least one fluid towards a surface to be cleaned of a motor vehicle, such as an optical surface of a sensor of an optical detection system, said cleaning device comprising at least one conveying body (1) and a delivery ramp (2) for delivering one or more cleaning and/or drying fluids, and attachment means (101) for attaching a connecting portion (20) of the delivery ramp (2) to an end of the conveying body (1). The attachment means (101) comprise an elastic interlocking assembly (102) and a foolproofing assembly (103) formed respectively by elements carried by the conveying body (1) and complementary elements.

Abstract: A device for removing flaws in situ during the additive molding of metal parts forms the subject of the invention. The device comprises: a hopper adapted to contain metal powder; a printing platform, sliding along an axis; a metal powder releasing device, to allow the powder to fall from the hopper onto the printing platform; a doctor blade for distributing the powder onto the printing platform, forming a bed of powder; a laser source and associated laser beam scanning system, for selectively melting the bed of powder; a grinder for removing flawed layers and a monitoring system, configured to detect possible flaws in the layers, wherein said monitoring system is connected to an electronic control unit, configured to activate the aforesaid grinder in order to remove the flaws detected by the monitoring system.

Abstract: A detection system (1) intended to equip a motor vehicle comprises at least one optical sensor (2) delimited by at least one curved optical surface (20). It also comprises at least one cleaning device (3) for cleaning the optical surface (20) that comprises a delivery ramp (4) for delivering at least one cleaning and/or drying fluid. According to the invention, the delivery ramp (4) has a curved shape, the curvature (C?) of which is substantially equal to the curvature (C) of at least a portion (201, 202) of the optical surface (20).

Abstract: A telescopic cleaning device, for a glass surface to be cleaned of a motor vehicle, includes at least one hollow conveying body (5) for the cleaning fluid, closed at an upstream end by an inlet flange (12) and accommodating a movable piston (8) which is configured so as to slide in said hollow conveying body (5). The hollow conveying body additionally accommodates a rod (14) which extends jutting out from the inlet flange and around which the movable piston is capable of sliding, the movable piston and the rod being configured so as to allow the fluid to flow between them from the inlet flange to the distribution element. A heating element (22) is arranged on the rod (14), between said rod and the movable piston (8), such that the fluid flowing between the rod and the movable piston is set to flow in contact with the heating element (22).

Abstract: The cleaning device according to the invention comprises at least one fluid inlet and distribution device (D) into which a cleaning fluid and a drying fluid are selectively injected from an inlet nozzle (110, 111) specific to each fluid. Said inlet and distribution device (D) includes separate distribution channels (21, 22) for distributing the cleaning fluid and the drying fluid, respectively, and separate conveying units (112, 114, 21; 113, 22) for conveying each of the fluids from the respective inlet nozzle thereof (110, 111) to the respective distribution channel thereof (21, 22).

Abstract: A cleaning device (100), intended to spray at least one fluid towards a surface to be cleaned of a motor vehicle, such as an optical surface of a sensor of an optical detection system, said cleaning device comprising at least one conveying body (1) and a delivery ramp (2) for delivering one or more cleaning and/or drying fluids, and attachment means (101) for attaching a connecting portion (20) of the delivery ramp (2) to an end of the conveying body (1).

Abstract: The present invention relates to a device 3 for protecting an optical sensor 13 for an automotive vehicle that is intended to be attached to the optical sensor, characterized in that the device includes:—a transparent optical element 9 exhibiting rotational symmetry and being rotatably mounted about an axis of rotation, configured to be positioned upstream of the optical sensor 13 so that the axis of rotation of the optical element 9 is merged with the optical axis 15 of the optical sensor 13; and—an actuator 5 that is coupled to the optical element 9 so as to rotate the optical element 9 in order to allow soiling to be removed by a centrifugal effect.

Abstract: In a device (100) for rapid fixing of a cleaning and/or drying fluid transporting body (6) of a telescopic cleaning device (3) on a support plate (8) for an optical sensor (2) of an optical detection system of a motor vehicle (1), the support plate (8) includes a positioning and orientating interface (12) for a first end (14) of the fluid transporting body (6) and a second locking interface (13, 13?) for a second end (15) of the fluid transporting body (6).

Abstract: A telescopic cleaning device is intended for projecting at least one cleaning and/or drying fluid onto a glass surface to be cleaned of a motor vehicle, such as an optical surface of an optical sensor of an optical detection system. The cleaning device includes at least one fluid distribution element, rendered movable, along an axis of elongation (X) and at the end of a movable piston between a retracted first position and an extended second position for cleaning and/or drying. The fluid distribution element comprises a distribution bar (4) inside which a fluid distribution channel (56) extends and the distribution bar is equipped with a heating device (60) integrated at least in part into the distribution bar in order to heat the fluid passing through said distribution channel.

Abstract: The invention relates to a device (3) for protecting an optical sensor (13) for a motor vehicle. According to the invention, the protection device (3) comprises: a housing (4) which is mounted in such a way that it rotates about a rotational axis (A1) and has a receiving element (19) designed to receive the optical sensor (13) such that the optical axis (15) of the optical sensor (13) merges with the rotational axis (A1), a transparent optical element (9) constrained to rotate with the housing (4) and designed to be arranged in front of the housing (4) facing the road and such that it is centred in relation to the optical sensor (13), and an actuator (5) for rotating the housing (4), so as to clean said optical element (9) by means of a centrifugal effect. The invention also relates to a driving assistance system (1) corresponding in this way to a cleaning method implementing such a protection device (3).

Abstract: A telescopic cleaning device, for a glass surface to be cleaned of a motor vehicle, includes at least one hollow conveying body (5) for the cleaning fluid, closed at an upstream end by an inlet flange (12) and accommodating a movable piston (8) which is configured so as to slide in said hollow conveying body (5). The hollow conveying body (5) additionally accommodates a rod (14) which extends jutting out from the inlet flange and around which the movable piston is capable of sliding, the movable piston and/or the rod being configured so as to allow the fluid to flow between them from the inlet flange to the distribution element. The rod comprises a heating device (22), which comprises at least one heating element (24) extending in the interior of a heat conducting tube (26), along the axis of elongation (X) of the device.

Abstract: The invention concerns a protection device (3) for protecting an optical sensor (13) for a motor vehicle. According to the invention, the protection device (3) comprises: —a transparent optical element (9) mounted rotatably movable about an axis of rotation (A1), configured to be arranged upstream from an optical unit (14) of the optical sensor (13) such that the axis of rotation (A1) of same coincides with the optical axis (15), and —a motor (5) comprising a rotary shaft (51) configured to rotate about an axis of rotation (A2), and configured to rotate said optical element (9) such that the axis of rotation (A1) of said optical element (9) further coincides with the axis of rotation (A2) of the rotary shaft (51) of the motor (5). The invention also concerns a corresponding driver assistance system (1) and a cleaning method implementing such a protection device (3).